The numerical method of lines is a technique for solving partial differential equations by discretizing in all but one dimension, and then integrating the semi-discrete ...

An integration strategy is an algorithm that attempts to compute integral estimates that satisfy user-specified precision or accuracy goals. An integration strategy normally ...

Some operators used in basic arithmetic and algebra. Note that the  for ∖[Cross] is distinguished by being drawn slightly smaller than the × for ∖[Times]. Interpretation of ...

TriangleWave[x] gives a triangle wave that varies between -1 and +1 with the unit period.TriangleWave[{min, max}, x] gives a triangle wave that varies between min and max ...

BitAnd[n_1, n_2, ...] gives the bitwise AND of the integers n_i.

RiemannSiegelTheta[t] gives the Riemann\[Dash]Siegel function \[CurlyTheta](t).

UnitVector[k] gives the two-dimensional unit vector in the k\[Null]^th direction.UnitVector[n, k] gives the n-dimensional unit vector in the k\[Null]^th direction.

DifferentialRootReduce[expr, x] attempts to reduce expr to a single DifferentialRoot object as a function of x.DifferentialRootReduce[expr, {x, x_0}] takes the initial ...

Mod[m, n] gives the remainder on division of m by n. Mod[m, n, d] uses an offset d.

SquareWave[x] gives a square wave that alternates between +1 and -1 with unit period.SquareWave[{y_1, y_2}, x] gives a square wave that alternates between y_1 and y_2 with ...